Privacy-Conscious Ad Targeting Using Semantic Context Vectors

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Solution Overview

Problem

Existing digital advertising systems face challenges in achieving high advertising performance while protecting user privacy and maintaining brand image, as they rely on data collection that compromises privacy and lack effective algorithms for contextually relevant ad placement, leading to reduced revenue and potential brand harm.

Innovation Solution

The system employs computationally efficient statistical latent semantic models that utilize natural language parsing tools and dynamic, multi-domain environments to enhance ad targeting, incorporating extended context and temporal weighting to improve relevance matching and mitigate contextual outliers, while avoiding human-curated keyword lists.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If detailed individualized information is collected for ad targeting, then ad performance is improved, but user privacy is compromised

Engineering Contradiction:
Improvead performanceVSAvoiduser privacy compromise
Core Design Contradiction:
ProductivityVSObject-affected harmful factors

Solution Approach 1:

The patent introduces an intermediary processing layer that transforms detailed individualized user information into aggregated domain vectors. This mediator system allows ad targeting to function using derived patterns rather than raw personal data, thereby maintaining ad performance while protecting user privacy. The domain vectors serve as an intermediate representation that captures user interests without exposing sensitive information.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent extracts only the essential patterns and domain-level characteristics from detailed user information, discarding sensitive personal identifiers. By taking out only the necessary targeting signals (domain vectors) while leaving behind the privacy-sensitive raw data, the system achieves effective ad targeting without compromising user privacy.

Inventive Principle:
Principle #2Taking out (Extraction)

2Productivity

If algorithmic ad placement is used to optimize revenue, then productivity is improved, but brand protection deteriorates

Engineering Contradiction:
Improverevenue generationVSAvoidbrand harm
Core Design Contradiction:
ProductivityVSObject-affected harmful factors

Solution Approach 1:

The patent incorporates feedback mechanisms that evaluate contextual appropriateness of ad placements. The system uses domain vectors to assess whether an advertisement aligns with the surrounding content context, providing feedback loops that prevent brand-harmful placements while maintaining revenue optimization. This feedback ensures algorithmic placement does not compromise brand image.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The patent changes the parameters used for algorithmic placement from simple keyword matching to sophisticated domain vector comparisons that consider contextual relevance. By transforming the placement criteria from basic textual overlap to semantic domain alignment, the system maintains high revenue generation while avoiding contextually inappropriate placements that could harm brand image.

Inventive Principle:
Principle #35Parameter changes

3Manufacturing precision

If manual keyword lists are used for ad targeting, then manufacturing precision is improved, but device complexity increases

Engineering Contradiction:
Improvetargeting accuracyVSAvoidsystem complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent replaces manual keyword list maintenance with automated statistical latent semantic models. Instead of mechanically curating keyword lists, the system uses computational models to automatically derive domain vectors from content, substituting manual processes with automated algorithms that achieve comparable or superior targeting accuracy without the ongoing maintenance burden.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent enables the system to automatically generate and update its own targeting vectors without external intervention. The statistical models self-adjust and refine domain vectors based on incoming content and user interactions, eliminating the need for manual keyword list updates and reducing system complexity despite improved targeting precision.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS20250348903A1Privacy-conscious content and advertisement targeting
Publication Date: 2025.11.13 2NO INC
  • US20250348903A1 patent drawing
  • US20250348903A1 patent drawing
  • US20250348903A1 patent drawing

AI summary

Described herein are exemplary devices, apparatuses, systems, methods, and non-transitory storage media for targeting content and advertisements while protecting user privacy.